package com.shf6;

public class ArgsDemo01 {
  public static void main(String[] args) {
    System.out.println(sum(10,20));
    System.out.println(sum(10,20,30));
    System.out.println(sum(10,20,30,40));
    System.out.println(sum(10,20,30,40,50));
    System.out.println(sum(10,20,30,40,50,60));
    System.out.println(sum(10,20,30,40,50,60,70));
  }

  public static int sum(int ...a){
    int sum=0;
    for(int i:a) sum+=i;
    return sum;
  }

//  public static int sum(int a,int b){
//    return a+b;
//  }
//  public static int sum(int a,int b,int c){
//    return a+b+c;
//  }
//  public static int sum(int a,int b,int c,int d){
//    return a+b+c+d;
//  }
}
